<html>
<head>
  <script>

    function state_changed(xhr) {
      if (xhr.readyState == 4) {
        window.top.location.href = "done.html";
      }
    }

    function send_xhr() {
      var xhr = new XMLHttpRequest();
      xhr.onreadystatechange = function() { state_changed(xhr); };
      xhr.open("GET", "password_xhr_submit.html", true);
      xhr.send(null);
    }
  </script>
</head>
<body>

<input type="text" id="username_field">
<input type="password" id="password_field">

</body>
</html>
